Incremental commit.

src/Makefile.am

src/common/descriptor_new.c

src/common/descriptor_new.h

src/libknot/hash/cuckoo-hash-table.c

src/libknot/packet/packet.h

src/libknot/rdata.h

src/libknot/rrset.c

src/libknot/rrset.h

src/libknot/zone/zone-contents.c

src/zcompile/zcompile.c

src/zcompile/zcompile_main.c

src/zcompile/zparser.y